/// <summary>
/// 生成二维码的图片
/// </summary>
/// <param name="para"></param>
/// <returns></returns>
private Bitmap GetQrcodeBitmap(QrcodeSettingParameter para)
{
QrCodeEncodingOptions option = new QrCodeEncodingOptions()
{
CharacterSet = para.QrcodeType,
Width = para.PicSize,
Height = para.PicSize
};
BarcodeWriter bw = new BarcodeWriter()
{
Options = option, Format = BarcodeFormat.QR_CODE
};
return(ImageTool.ConvertBitmapTo8(bw.Write(para.Content)));
}
private QrcodeSettingParameter GetParameter()
{
var para = new QrcodeSettingParameter();
para.Content = tbContent.Text;
if (string.IsNullOrEmpty(para.Content))
{
para.Content = "empty";
}
para.PicSize = (cmbSizeList.SelectedItem as CmbDataItem)?.Value ?? 0;
para.QrcodeType = (cmbTypeList.SelectedItem as CmbDataItem)?.Name;
para.UserControl = this;
return(para);
}
/// <summary>
/// 对二维码的编辑信息进行处理
/// </summary>
/// <param name="guid"></param>
/// <param name="para"></param>
public void DealQrcodeSetting(string guid, QrcodeSettingParameter para)
{
try
{
this._id = guid;
//查找是否存在这个组件
var pmjData = _pmjDataList.FirstOrDefault(item => item.Id == guid);
//生成bitmap图片
var bitmap = GetQrcodeBitmap(para);
Console.WriteLine($"二维码, width:{bitmap.Width} height:{bitmap.Height}");
if (null == pmjData)
{
pmjData = new PmjData();
pmjData.Id = guid;
pmjData.DataType = EnumPmjData.二维码;
var picture = new PictureBox();
picture.Name = guid;
pmjData.Control = picture;
//设置组件的图片
SetPictureBoxImage(picture, bitmap);
picture.DoubleClick += SetPmjDataClick;
panelTest.Controls.Add(picture);
pmjData.DataSource = para;
//设置可以移动
SetItemEvent(picture);
_pmjDataList.Add(pmjData);
}
else
{
var pic = pmjData.Control as PictureBox;
//销毁原来的bitmap数据
(pic.Image as Bitmap)?.Dispose();
SetPictureBoxImage(pic, bitmap);
//有可能会越界,如果越界的话,就直接重置top的数值
ResetLocation(pic);
pmjData.DataSource = para;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}